TSQ Altis™ 三重四极杆质谱仪
Thermo Scientific TSQ Altis 质谱仪为不同专业级水平的用户提供了极致的灵敏度、耐用性和易用性。
森德仪器提供 赛默飞/Thermo Fisher TSQ Altis™ 三重四极杆质谱仪 在全国范围内的代理经销、选型咨询、报价沟通、采购支持、安装培训和售后协同服务，价格面议。
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使用 Thermo Scientific™ TSQ Altis™ 三重四极杆质谱仪，应对目标物定量工作流程中极严格的分析挑战。应用改进的主动离子管控 (AIM™) 技术、分段四极杆、增强型双模电子倍增器和高通量离子传输管，TSQ Altis MS 可在不牺牲耐用性的情况下为复杂基质中所有分子类型的分析实现极高的实验灵敏度。
灵敏度和耐用性：同时兼顾TSQ Altis 三重四极杆质谱仪及领先行业的定量软件、UHPLC 系统和卓越的样品制备试剂盒，可帮助研究人员解决目标物定量分析的稳健、可靠和灵敏关键性挑战。TSQ Altis 质谱仪的主要优点包括：
采购问答
<p>For short periods (less than 24 hr) the system can just be put into standby. However, it is good practice to flush the system with 50:50 solvent/water (where the solvent is either methanol or acetonitrile) to remove buffers or additives and stop microbial growth.<br/><br/> For longer periods, flush the LC system with 50:50 solvent/water. Then flush with 100% solvent. Put the system into standby.<br/><br/>Find additional tips, troubleshooting help, and resources within our <a href="https://www.thermofisher.com/us/en/home/technical-resources/technical-reference-library/mass-spectrometry-support-center.html?icid=faqsc39">Mass Spectrometry Support Center</a>.</p>
<p>The mass calibration should ideally be performed every 3 months and definitely performed at least every 6 months. Refer to the Instrument Manual (https://tools.thermofisher.com/content/sfs/manuals/TSQ-Series-Hardware.pdf) for detailed instructions on how to perform mass calibration.<br/><br/>Find additional tips, troubleshooting help, and resources within our <a href="https://www.thermofisher.com/us/en/home/technical-resources/technical-reference-library/mass-spectrometry-support-center.html?icid=faqsc39">Mass Spectrometry Support Center</a>.</p>
<p>The Ion Transfer Tube should be removed and sonicated in a 50:50 solution of methanol/water that contains 20% formic acid for 30 min. Rinse thoroughly with water. Then sonicate in methanol for 15 min. Dry with nitrogen gas.<br/><br/> The same procedure can be applied to the Ion Sweep Cone.<br/><br/> Refer to the Instrument Manual (https://tools.thermofisher.com/content/sfs/manuals/TSQ-Series-Hardware.pdf) for more detailed instructions.<br/><br/>Find additional tips, troubleshooting help, and resources within our <a href="https://www.thermofisher.com/us/en/home/technical-resources/technical-reference-library/mass-spectrometry-support-center.html?icid=faqsc39">Mass Spectrometry Support Center</a>.</p>
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<p>Perform loop injections of your analyte using isocractic elution through a short column at the flow rate and approximate mobile phase composition. Use a concentration where the signal to noise is approximately 10:1. Record the raw data file and integrate the peaks, comparing peak areas at different source positions (i.e., left and right, up and down, fore and aft). Ensure that the background noise is not increasing more than the peak area.<br/><br/> Note: The needle position on the Thermo Fisher Scientific TSQ Altis MS, TSQ Quantis MS, and TSQ Fortis MS instruments is set and should not be adjusted.<br/><br/>Find additional tips, troubleshooting help, and resources within our <a href="https://www.thermofisher.com/us/en/home/technical-resources/technical-reference-library/mass-spectrometry-support-center.html?icid=faqsc39">Mass Spectrometry Support Center</a>.</p>
<p>It is advisable to turn both the LC system and the MS system on for at least 30 min prior to analysis. This time can usually be spent testing one or more solvents or matrix blanks.<br/><br/>Find additional tips, troubleshooting help, and resources within our <a href="https://www.thermofisher.com/us/en/home/technical-resources/technical-reference-library/mass-spectrometry-support-center.html?icid=faqsc39">Mass Spectrometry Support Center</a>.</p>
<p>The software will show pressure traces to ensure that the pumps are working properly. Reproducible retention times and area counts for each of the internal-standard peaks ensure that the injector, LC column and mass spectrometer are working properly. Results for each calibrator must pass acceptance criteria and results for each quality control (QC) must be within acceptable limits to report sample results while being within the specified analytical range of the calibrators. They also must pass acceptance criteria for chromatographic peak integrity (actual vs expected retention time and ion ratio confirmation), to ensure reliable quantitation.<br/><br/>Find additional tips, troubleshooting help, and resources within our <a href="https://www.thermofisher.com/us/en/home/technical-resources/technical-reference-library/mass-spectrometry-support-center.html?icid=faqsc39">Mass Spectrometry Support Center</a>.</p>
<p>The acquisition software allows one to select to automatically have the system go to standby mode which turns the pump(s) off and the ion-source voltage and spray temperature while the ion-transfer tube temperature remains on and a low flow of nitrogen blows across its entrance. This minimizes the chances of letting contaminated ambient air entering the mass spectrometer.<br/><br/>Find additional tips, troubleshooting help, and resources within our <a href="https://www.thermofisher.com/us/en/home/technical-resources/technical-reference-library/mass-spectrometry-support-center.html?icid=faqsc39">Mass Spectrometry Support Center</a>.</p>
